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package org.sbbs.disruptorlearn.longevent;

import com.lmax.disruptor.RingBuffer;
import com.lmax.disruptor.dsl.Disruptor;
import java.nio.ByteBuffer;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import lombok.extern.slf4j.Slf4j;

/**
 *
 * @author Mr.fdc <fdc_messenger@126.com>
 */
@Slf4j
public class LongEventMainJava8 {

    public static void main(String[] args) throws Exception {
        // Executor that will be used to construct new threads for consumers
        Executor executor = Executors.newCachedThreadPool();

        // Specify the size of the ring buffer, must be power of 2.
        int bufferSize = 1024;

        // Construct the Disruptor
        Disruptor<LongEvent> disruptor = new Disruptor<>(LongEvent::new, bufferSize, executor);

        // Connect the handler
        disruptor.handleEventsWith((event, sequence, endOfBatch) -> log.info("Event: " + event));
//        disruptor.handleEventsWith((event, sequence, endOfBatch) -> System.out.println("Event: " + event));

        // Start the Disruptor, starts all threads running
        disruptor.start();

        // Get the ring buffer from the Disruptor to be used for publishing.
        RingBuffer<LongEvent> ringBuffer = disruptor.getRingBuffer();

        ByteBuffer bb = ByteBuffer.allocate(8);
        for (long l = 0; true; l++) {
            bb.putLong(0, l);
            ringBuffer.publishEvent((event, sequence, buffer) -> event.set(buffer.getLong(0)), bb);
            Thread.sleep(10);
        }
    }
}
